Eaton ENR31151 Ark-Gard ENR Value receptacle - NEC/CEC
Part Number: ENR31151
Quick Summary
The Eaton Crouse-Hinds Ark-Gard ENR Value receptacle assembly provides safe, reliable power in hazardous locations. Industrial facilities struggle with moisture, dust and explosive atmospheres that complicate maintenance and regulatory compliance. It is NEC/CEC compliant and rated for Class I, II and III locations with Division 1 and 2, backed by UL certification and compatible NEMA configurations. Designed as a single-gang unit, 15A and 125V, copper-free aluminum, it enables quick, cost-effective installations while reducing weight and downtime. Together, these features translate to better uptime, easier procurement, and safer operation for plant engineers and maintenance teams.
Product Information
Extended Description
ENR31151 Eaton Crouse-Hinds: Eaton Crouse-Hinds series Ark-Gard ENR Value receptacle assembly, 15A, Single, 50-400 Hz, Copper-free aluminum, 5-15R, Single-gang, Dead end, 1", 125 Vac
Product Name
Eaton Crouse-Hinds series Ark-Gard ENR Value receptacle assembly
Catalog Number
ENR31151
Product Length/Depth
3.5 in
Product Height
6.72 in
Product Width
8 in
Product Weight
0.01 lb
UPC
662276608672
Area classification
Hazardous/Classified Locations
Standards type
NEC/CEC
NEC hazardous rating
Class II, Division 1 Class II, Division 2 Class III Class I, Division 1 Class I, Division 2
NEMA Rating
9 3 7 12
Number of gangs
Single-gang
Amperage Rating
15A
Voltage rating
125 Vac
Style
Dead end
Trade size
1"
NEMA configuration
5-15R
Cover type
Single
Material
Copper-free aluminum
Frequency rating
50-400 Hz
Eaton Crouse-Hinds ENR31151 3D drawing
Ark-Gard ENR Value Explosionproof NEMA Locking Devices catalog page
Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices UL certification - ENR and ENP
Ark-Gard ENP, ENR, ENC Explosionproof NEMA Locking Devices UL certification - ENR and ENP
IF 344 - Ark-Gard ENR Receptacles ENP Model M97 Plugs
IF 344 - Ark-Gard ENR Receptacles ENP Model M97 Plugs
Eaton Specification Sheet - ENR31151
Copper-free aluminum construction reduces weight and corrosion risk, lowering handling effort and risk during installation while delivering durable service in harsh environments. This translates to measurable business impact: faster wiring, fewer downtime incidents, and extended component life in chemical plants and offshore facilities. The 15A, 125V rating with a 5-15R NEMA configuration standardizes outlets across sites, reducing stocking complexity and mis-wiring risk during maintenance or expansion projects. With a single-gang footprint, 1" trade size and dead-end cover, installation is flexible in tight panels and limited-space enclosures, speeding up retrofits and new builds alike. NEC/CEC compliance and UL listings for hazardous locations validate safety and regulatory adherence, while NEMA ratings provide confidence across industrial systems. The lightweight copper-free aluminum body lowers shipping and handling costs, improving total cost of ownership and maintenance budgeting. In practice, electricians gain predictable performance, simplified procurement, and robust protection in corrosive or explosive atmospheres.
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FAQs
ENR31151 is designed for Hazardous/Classified Locations and fits a single-gang enclosure with a 1" trade size. It uses a 5-15R NEMA configuration and supports a 125 Vac, 15 A circuit, with a frequency range of 50-400 Hz. This simplifies procurement, reduces wiring errors, and speeds up compliant installations in chemical, petrochemical, and offshore settings.
The ENR31151 carries NEC/CEC standards eligibility and is rated for Class I, Divisions 1 and 2, Class II, and Class III locations. UL certification documents the hazardous-location suitability, and NEMA configurations (including 5-15R) support reliable, regulatory-compliant operation across demanding industrial environments.
Yes. ENR31151 lists a frequency rating of 50-400 Hz, enabling compatibility with a wide range of control gear, power supplies, and variable-frequency drives used in hazardous locations, without sacrificing safety or performance.
Common applications include chemical plants, oil and gas facilities, offshore platforms, mining operations, and any installation requiring a 125 Vac, 15A receptacle in hazardous or classified locations. Its single-gang form factor, copper-free aluminum construction, and UL/NEMA certifications support durable, compliant installations in tight spaces.
The copper-free aluminum construction reduces corrosion and weight, improving service life and easing handling during installation. NEC/CEC compliance and UL hazard listings lower regulatory risk, while standardized 5-15R outlets simplify stocking and replacement. Over the lifecycle, this translates to lower maintenance labor, reduced downtime, and a favorable total cost of ownership for hazardous-area power distribution.